#243684#243684

#243684 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.133 H 269.0°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#243684
RGB	rgb(36, 54, 132)
HSL	hsl(229, 57%, 33%)
HSV	hsv(229, 73%, 52%)
CMYK	cmyk(72.7%, 59.1%, 0%, 48.2%)
CIE-LAB	lab(25.80, 21.21, -46.00)
CIE-LCH	lch(25.80, 50.66, 294.76°)
OKLab	oklab(36.84% -0.0022 -0.1326)
OKLCH	oklch(36.84% 0.133 269)
XYZ	xyz(6.2101, 4.6787, 22.4011)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243684 #847224

analogous

#246684 #243684 #422484

triadic

#243684 #842436 #368424

tetradic

#243684 #842466 #847224 #248442

square

#243684 #842466 #847224 #248442

split-complementary

#243684 #844224 #668424

monochromatic

#0A0F24 #172254 #243684 #314AB4 #526AD0

Accessibility & contrast

On white

10.85

#243684 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#243684 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243684

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243684	#FFFFFF	#000000	##FFFFFF
##243684	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004287

Deuteranopia (green-blind)

#003982

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #243684;
/* rgb */ color: rgb(36, 54, 132);
/* oklch */ color: oklch(36.8% 0.133 269.0);

Tailwind

colors: {
  custom: {
    50: '#6c6ca8',
    500: '#243684',
    950: '#000000',
  },
}

SCSS

$custom: #243684;
$custom-light: #6c6ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#243684",
  "rgb": {
    "r": 36,
    "g": 54,
    "b": 132
  },
  "hsl": {
    "h": 228.75,
    "s": 57.143,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36841,
    "c": 0.13259,
    "h": 269
  },
  "luminance": 0.04679
}

Semantic roles & 50–950 ramp

primary

#243684

secondary

#B4A150

accent

#C447E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #243684

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →